1981 Oldsmobile Custom Cruiser Performance Drivetrains

Keep Your 1981 Oldsmobile Custom Cruiser in Top Shape with Quality Performance Drivetrains

Whether you’re repairing or upgrading your Performance Drivetrain, using high-quality parts is key to keeping your 1981 Oldsmobile Custom Cruiser looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Ring and Pinions and Performance Posi Units and Components. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1981 Oldsmobile Custom Cruiser Performance Drivetrain at Advance Auto Parts is around $250.15, with a range that starts at $98.99 and goes up to $407.99. With 25 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Differential Mini Spool, Performance Differential Ring and Pinion, and Performance Differential Ring and Pinion start at just $98.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Drivetrain, don’t forget to check out other key components like Performance Air Filters and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1981 Oldsmobile Custom Cruiser in peak condition, inside and out.

Essential 1981 Oldsmobile Custom Cruiser Performance Drivetrains

Motive Gear – Differential Mini Spool (Part No.MS7.5-26)

Differential Mini Spool

from

$98.99
Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.

Product Features:
  • Billet construction
  • Not recommended for street applications
  • GM7.5″ MINI SPOOL 26 SPLINE
See More

Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

Differential Mini Spool

from

$124.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
See More

Richmond Gear – RngPnn (Part No.GM85410)

RngPnn

from

$185.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G875373)

Performance Differential Ring and Pinion

from

$223.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 3.73 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875410X)

Performance Differential Ring and Pinion

from

$236.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 4.10X* MGP THICK
See More

Richmond Gear – RngPnn (Part No.69-0173-1)

RngPnn

from

$407.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G875308)

Performance Differential Ring and Pinion

from

$253.99


Product Features:
  • GM7.5″ R & P SET (3:08 RATIO) MGP
See More

Richmond Gear – RngPnn (Part No.69-0175-1)

RngPnn

from

$407.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G875456)

Performance Differential Ring and Pinion

from

$222.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 4.56 MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G885273)

Performance Differential Ring and Pinion

from

$243.99


Product Features:
  • GM 10BL 8.5 R/P 2.73 FRT/REAR MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G885308)

Performance Differential Ring and Pinion

from

$228.99


Product Features:
  • GM 10BL 8.5 R/P 3.08 FRT/REAR MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875323)

Performance Differential Ring and Pinion

from

$237.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 3.23 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Richmond Gear – Differential Ring And Pinion (Part No.GM85373)

Differential Ring And Pinion

from

$231.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Product Features:
  • Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
  • Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
  • EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
  • EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
  • All EXCel drivetrain products are backed by our one year warranty.
See More

Richmond Gear – RngPnn (Part No.49-0041-1)

RngPnn

from

$342.99
RngPnn

Richmond Gear – RngPnn (Part No.GM75410OE)

RngPnn

from

$191.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G875410)

Performance Differential Ring and Pinion

from

$222.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 4.10 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Richmond Gear – Differential Ring And Pinion (Part No.49-0017-1)

Differential Ring And Pinion

from

$351.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
See More

Richmond Gear – RngPnn (Part No.49-0045-1)

RngPnn

from

$350.99
RngPnn

Richmond Gear – RngPnn (Part No.GM75342OE)

RngPnn

from

$191.99
RngPnn

Richmond Gear – RngPnn (Part No.GM75342TK)

RngPnn

from

$191.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G875390)

Performance Differential Ring and Pinion

from

$256.99


Product Features:
  • GM 10BL 7.5 & 7.6 R/P 3.90 MGP 10 3/8 X 18LH, PD = 1.438
See More

Richmond Gear – RngPnn (Part No.GM85456)

RngPnn

from

$185.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G885456)

Performance Differential Ring and Pinion

from

$343.99


Product Features:
  • GM 10BL 8.5 R/P 4.56 FRT/REAR MGP
See More

Richmond Gear – RngPnn (Part No.GM75373OE)

RngPnn

from

$191.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G885342)

Performance Differential Ring and Pinion

from

$322.99


Product Features:
  • GM 10BL 8.5 R/P 3.42 FRT/REAR MGP
See More

Most Popular Performance Ring and Pinions for 1981 Oldsmobile Custom Cruisers

Enhance your 1981 Oldsmobile Custom Cruiser with one of the 23 Performance Ring and Pinions we have in stock, starting at just $185.99.

Motive Gear – Performance Differential Ring and Pinion (Part No.G875390)

Performance Differential Ring and Pinion

from

$256.99


Product Features:
  • GM 10BL 7.5 & 7.6 R/P 3.90 MGP 10 3/8 X 18LH, PD = 1.438
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875410)

Performance Differential Ring and Pinion

from

$222.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 4.10 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Richmond Gear – RngPnn (Part No.GM75373OE)

RngPnn

from

$191.99
RngPnn

Richmond Gear – RngPnn (Part No.GM75342TK)

RngPnn

from

$191.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G875410X)

Performance Differential Ring and Pinion

from

$236.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 4.10X* MGP THICK
See More

Richmond Gear – RngPnn (Part No.GM85410)

RngPnn

from

$185.99
RngPnn

Richmond Gear – RngPnn (Part No.69-0173-1)

RngPnn

from

$407.99
RngPnn

Richmond Gear – RngPnn (Part No.69-0175-1)

RngPnn

from

$407.99
RngPnn

Richmond Gear – Differential Ring And Pinion (Part No.49-0017-1)

Differential Ring And Pinion

from

$351.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
See More

Richmond Gear – RngPnn (Part No.49-0045-1)

RngPnn

from

$350.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G885456)

Performance Differential Ring and Pinion

from

$343.99


Product Features:
  • GM 10BL 8.5 R/P 4.56 FRT/REAR MGP
See More

Richmond Gear – RngPnn (Part No.49-0041-1)

RngPnn

from

$342.99
RngPnn

Motive Gear – Performance Differential Ring and Pinion (Part No.G885342)

Performance Differential Ring and Pinion

from

$322.99


Product Features:
  • GM 10BL 8.5 R/P 3.42 FRT/REAR MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875308)

Performance Differential Ring and Pinion

from

$253.99


Product Features:
  • GM7.5″ R & P SET (3:08 RATIO) MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G885273)

Performance Differential Ring and Pinion

from

$243.99


Product Features:
  • GM 10BL 8.5 R/P 2.73 FRT/REAR MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875323)

Performance Differential Ring and Pinion

from

$237.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 3.23 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Richmond Gear – Differential Ring And Pinion (Part No.GM85373)

Differential Ring And Pinion

from

$231.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Product Features:
  • Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
  • Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
  • EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
  • EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
  • All EXCel drivetrain products are backed by our one year warranty.
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G885308)

Performance Differential Ring and Pinion

from

$228.99


Product Features:
  • GM 10BL 8.5 R/P 3.08 FRT/REAR MGP
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875373)

Performance Differential Ring and Pinion

from

$223.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 3.73 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
See More

Motive Gear – Performance Differential Ring and Pinion (Part No.G875456)

Performance Differential Ring and Pinion

from

$222.99


Product Features:
  • GM 10BL 7.5 &7.625 R/P 4.56 MGP
See More

Richmond Gear – RngPnn (Part No.GM75342OE)

RngPnn

from

$191.99
RngPnn

Richmond Gear – RngPnn (Part No.GM75410OE)

RngPnn

from

$191.99
RngPnn

Richmond Gear – RngPnn (Part No.GM85456)

RngPnn

from

$185.99
RngPnn

Best-Selling 1981 Oldsmobile Custom Cruiser Performance Posi Units and Components

Upgrade your Custom Cruiser with one of our 2 best-selling Performance Posi Units and Components.

Motive Gear – Differential Mini Spool (Part No.MS7.5-26)

Differential Mini Spool

from

$98.99
Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.

Product Features:
  • Billet construction
  • Not recommended for street applications
  • GM7.5″ MINI SPOOL 26 SPLINE
See More

Richmond Gear – Differential Mini Spool (Part No.78-1028-1)

Differential Mini Spool

from

$124.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
See More

FAQs for 1981 Oldsmobile Custom Cruiser Performance Drivetrains

What are the best-selling Performance Drivetrains for 1981 Oldsmobile Custom Cruisers?

Out of 25 Performance Drivetrains that fit 1981 Oldsmobile Custom Cruisers, the following parts are the top sellers:

What’s the price range for 1981 Oldsmobile Custom Cruiser Performance Drivetrains?

The prices of Performance Drivetrains for the 1981 Oldsmobile Custom Cruiser range from $98.99 up to $407.99 for the most premium parts.

What is the average price of a Performance Drivetrain for a 1981 Oldsmobile Custom Cruiser?

The average price for Performance Drivetrains for the 1981 Oldsmobile Custom Cruiser is $250.15. Keep in mind the variety of part types within our Performance Drivetrain category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Drivetrains for other Oldsmobile Custom Cruiser model years?

Yes, we carry Performance Drivetrains for 20 model years of Oldsmobile Custom Cruisers between 1971 and 1992. The following model years are the most popular for Performance Drivetrain purchases: 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, and 1984.

What are the cheapest Performance Drivetrains for my 1981 Oldsmobile Custom Cruiser?

The cheapest 1981 Oldsmobile Custom Cruiser Performance Drivetrains we carry are:

Does Advance Auto Parts sell Performance Drivetrains for any other 1981 Oldsmobile models?

What types of Performance Drivetrains do you sell for my 1981 Oldsmobile Custom Cruiser?

As of 11/2/25, these are some of the most in-demand types of Performance Drivetrains for a 1981 Oldsmobile Custom Cruiser:

Can I get help with 1981 Oldsmobile Custom Cruiser Performance Drivetrain orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Oldsmobile Performance Drivetrains and more.

What is your return policy for Oldsmobile Custom Cruiser Performance Drivetrains?

Advance Auto Parts keeps returns simple. For new Oldsmobile Custom Cruiser Performance Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.